111354553 has 2 divisors, whose sum is σ = 111354554. Its totient is φ = 111354552.

The previous prime is 111354547. The next prime is 111354583. The reversal of 111354553 is 355453111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111260304 + 94249 = 10548^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 111354553 - 2⁵ = 111354521 is a prime.

It is equal to p_6376303 and since 111354553 and 6376303 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (111354533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55677276 + 55677277.

It is an arithmetic number, because the mean of its divisors is an integer number (55677277).

Almost surely, 2^111354553 is an apocalyptic number.

It is an amenable number.

111354553 is a deficient number, since it is larger than the sum of its proper divisors (1).

111354553 is an equidigital number, since it uses as much as digits as its factorization.

111354553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 111354553 is about 10552.4666784596. The cubic root of 111354553 is about 481.1007046202.

The spelling of 111354553 in words is "one hundred eleven million, three hundred fifty-four thousand, five hundred fifty-three".